ClassFlow
Class Flow: Plant and Animal Cells
[Free Registration/Login Required] This flipchart introduces students to the plant and animal cell.
Cells Alive
Cells Alive:organelle Crossword #2
A crossword to help review the terms and definitions associated with organelles.
City University of New York
The World of Cells: Golgi Apparatus
A very brief explanation of the structure and function of this organelle.
Other
Acadia University: Structure of Dna and Rna
This site from the Acadia University provides the basic structure of DNA and RNA and a decent compare/contrast between the two.
Khan Academy
Khan Academy: Signal Relay Pathways
Learn how signals are relayed inside a cell starting from the cell membrane receptor. Look at the general characteristics of intracellular signal transduction pathways, as well as some relay mechanisms commonly used in these pathways.
Khan Academy
Khan Academy: The Endomembrane System
Article looks at the structure and function of the different parts of the endomembrane system, how proteins, lipids, and vesicles are transported between these parts, and how this activity keeps the cell running smoothly.
Khan Academy
Khan Academy: Response to a Signal
Article takes a look at examples of the different ways cells can change their behavior in response to a signal at both the "micro" and "macro" levels.
OpenStax
Open Stax: Anatomy & Physiology: Adaptive Immune Response: B Lymphocytes
Students will learn the structure and function of B-cells and the antibody classes and their functions.
PBS
Pbs Learning Media: Mitochondria
Often referred to as the powerhouses of the cell, mitochondria provide the energy that powers nearly every cellular process. This essay by university lecturer John Ross describes in detail the structures and functions of these amazing...
Khan Academy
Khan Academy: Ap Biology: Cell Structure and Function: Membrane Transport
Practice exercise on membrane transport. This is new content.
University of Kansas Medical Center
University of Kansas Medical Center: Eye & Ear
Understand the structure and function of the eye and ear cells by examining these microscopic tissue samples.
BiologyWise
Biology Wise: Facts About Cytoplasm
Describes the composition of cytoplasm, its functions, the cell organelles suspended in it and what their functions are, and lots of other information about this vital cell component.
Untamed Science
Untamed Science: Biology: Human Biology: Blood
Learn about the structure and function of human blood as well as the composition of this complex substance in the human body through a series of video clips.
Microscopy UK
Microscopy Uk: Micscape Article Paramecium
Excellent article on a unicellular organism, the paramecium. Includes details on its environment, paramecium types, and environmental importance.
CommonLit
Common Lit: "Let's See What You're Made Of" by Bird Brain Science
This informational, scientific text explains how cells, the smallest unit of a living organism, make up every living thing in the world. As you read, take notes on the comparisons used in the text to explain how cells work. [Free account...
Sophia Learning
Sophia: Endoplasmic Reticulum: Lesson 3
This lesson will discuss the structure and function of both rough and smooth endoplasmic reticulum. It is 3 of 6 in the series titled "Endoplasmic Reticulum."
Sophia Learning
Sophia: Endoplasmic Reticulum: Lesson 1
This lesson will discuss the structure and function of both rough and smooth endoplasmic reticulum. It is 1 of 6 in the series titled "Endoplasmic Reticulum."
BiologyWise
Biology Wise: Facts About Chloroplast
Explains how chloroplasts evolved into their present form, how photosynthesis takes place in them, where they are found in plants, physical characteristics, and other functions they perform.
Soft Schools
Soft Schools: Molecules of Life Quiz
Take an interactive quiz over the molecules of life. After completing the quiz, check your score, and then revisit any incorrect question for further review.
Soft Schools
Soft Schools: More Molecules of Life/biochemistry Quiz
Take this interactive, multiple-choice quiz over the organic molecules important to life, then review your score and any missed questions at the end.
City University of New York
The World of Cells: Viruses
Alive or not, viruses are introduced in an easy to follow essay that explains many basic concepts.
BiologyWise
Biology Wise: Chromosomes: The Carriers of Genetic Information
Explains what chromosomes are, their structure, their functions within a cell, and the health impact of mutations in a gene sequence.
Other
California State University: Biology Labs Online: Hemoglobin Lab
A set of virtual experiment assignments where students investigate the biochemistry of hemoglobin and the role it plays in the functioning of human red blood cells. Includes background information, glossary, online notebook, and...
National Health Museum
Access Excellence: Graphics Gallery of Biotechnology
This site provides simple diagrams on all major topics in cell biology, genetics and biotechnology.